\section*{Foreword }

This is the world's first open source H\-T\-M\-L5 S\-I\-P client entirely written in javascript. {\bfseries No extension, plugin or gateway is needed}.\par
 The client can be used to connect to any S\-I\-P or I\-M\-S network from your preferred browser to make and receive audio/video calls and instant messages.\par
 The protocol parsers (S\-I\-P, S\-D\-P...) are highly optimized using {\tt Ragel} lookup tables and is suitable for embedded systems with limited memory and low computing power. 